I refuse to give up my 3PM radio... I love it! The only thing is the price of Futaba FASST receivers are insane. Even some of the used ones still get top dollar. FrSky, Cooltec, Redcon, Orange have some FASST compatible receivers. The FASST compatible receiver that I use are below...
Well, I searched and searched, and came up with just about nothing left out there as far as FASST compatible/surface C1 Mode receivers go. The key is when the compatible receivers say C1 Mode (surface). This is almost the exact same receiver I use on my ET410...
A couple of years ago you probably could have bought the above receiver for around $26. My Redcon receiver has been in my mini truggy since 2019. I never had any issue with dust/dirt affecting the unit.